Gaya APA

Dittmer, P, R. (2009). Study Guide to Accompany Principles Of Food, Beverage, And Labor Cost Controls . United States Of America: John Wiley & Sons, Inc..

Gaya MLA

Dittmer, Paul, R.. "Study Guide to Accompany Principles Of Food, Beverage, And Labor Cost Controls". United States Of America: John Wiley & Sons, Inc., 2009. Text.